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CROSSONT

Financiado

Cerrado

CROwned Spline Surface Optimization using New Treatments

The main goal of the project CROSSONT is to provide surface treatment methods for crowned splines which are able to fulfil the requirement of reducing the risk of wear and minimizing the friction in the spline connections between... ver más

31/08/2022

RWTH AACHEN

498K€

Presupuesto del proyecto: 498K€

Líder del proyecto

RHEINISCHWESTFAELISCHE TECHNISCHE HOCHSCHULE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Ver 3 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2022-08-31

JTI-CS2-2017-CfP07-ENG-01-24: Crowned spline surface treatment an...

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

3 Participantes

RWTH AACHEN

211.50K€ | Lider

BIAS GmbH

134.93K€ | Participante

Leibniz-IWT

151.12K€ | Participante

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Duración del proyecto: 46 meses Fecha Inicio: 2018-10-30
Fecha Fin: 2022-08-31

Líder del proyecto

RHEINISCHWESTFAELISCHE TECHNISCHE HOCHSCHULE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 498K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto The main goal of the project CROSSONT is to provide surface treatment methods for crowned splines which are able to fulfil the requirement of reducing the risk of wear and minimizing the friction in the spline connections between shaft and gear. It is the consortium's firm conviction that outstanding surface properties for crowned splines in UHBR applications can be generated with a combination of laser and physical-vapour-deposition (PVD) processes. Modelling of the crowned spline will be conducted to predict its behaviour. In combination with the coatings, laser local hardening is to be used, and, on the other hand, laser textured gear steel surfaces are to be considered. The latter are becoming more and more important due to their tribological properties. It is mandatory that the results of the project are low in maintenance, highly reliable and allow long life time. The proposed laser based surface treatments technologies are laser local hardening, laser microstructuring and laser nanostructuring. Additionally, multi-layered coatings will be investigated in terms of PVD and in specific by reactive magnetron sputtering. These systems may be doped with silver in order to control heat balance or to introduce a wear indicator as a smart coating. The most effective methods will be identified by using a statistical test plan, which will also investigate the combination of such methods. While PVD is able to realise thin hard coatings to protect the surface from wear, the named laser processes can either reduce wear (e.g. laser hardening) and/or reduce the coefficient of friction (e.g. micro-/nanotextures). In general, laser local hardening can be considered as an almost established process, while laser texturing is still an innovative approach to further improve the surface properties of crowned splines. The most promising methods will be applied to full scale splines and evaluated in dynamic fatigue testing. The findings are summarized in a technical recommendation.

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